Home / 19,146.15-26,430.03-11,187.09

Finding the Fourth Proportional to 19,146.15, 26,430.03 and 11,187.09

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Solution

The fourth proportional to 19,146.15, 26,430.03 and 11,187.09 is: 15,443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.15 : 26,430.03 = 11,187.09 : x
  2. Step 2: Convert to fraction form
    19,146.15/26,430.03 = 11,187.09/x
  3. Step 3: Cross multiply
    19,146.15x = 26,430.03 × 11,187.09
  4. Step 4: Simplify right side
    19,146.15x = 295,675,124.31
  5. Step 5: Solve for x
    x = 295,675,124.31/19,146.15
  6. Step 6: Final answer
    x = 15,443.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.